[GSK-2323] Set content-type to json actively for dumped str#1662

kevinmessiaen merged 1 commit intomainGiskard-AI/giskard-oss:mainfrom

feature/gsk-2323-save-meta-does-not-work-due-to-wrong-content-typeGiskard-AI/giskard-oss:feature/gsk-2323-save-meta-does-not-work-due-to-wrong-content-typeCopy head branch name to clipboard